mature_miRNA miRNA* pre-miRNA EST_contig mismatches bulges arm species source_database RFAM_best_hit RFAM_lowest_evalue miRBase_best_hit miRBase_lowest_evalue folding_energy secondary_structure CCAGTTTTCCCAGGATT GTCCTGAGAACCATTGAGA AACAGTTGAGTCCTGAGAACCATTGAGAACCAGTTTTCCCAGGATTAACTGTTCCG 3 2 3' arm Homo_sapiens mirbase 100 100 -18.8 (((((((((.(((((.(((..((((.....)))).))).))))))))))))))... (-18.80)